diff options
| author | David Decotigny <decot@googlers.com> | 2016-09-28 21:00:04 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-09-30 08:56:41 +0300 |
| commit | 5038056e6bd45788235e97e3bcfc43f96c52ca84 (patch) | |
| tree | 82aed21ab9c0e0d8ea7422ef485a1a02d88a46f5 /drivers/net | |
| parent | bd11f0741fa5a2c296629898ad07759dd12b35bb (diff) | |
| download | linux-5038056e6bd45788235e97e3bcfc43f96c52ca84.tar.xz | |
mlx4: remove unused fields
This also can address following UBSAN warnings:
[ 36.640343] ================================================================================
[ 36.648772] UBSAN: Undefined behaviour in drivers/net/ethernet/mellanox/mlx4/fw.c:857:26
[ 36.656853] shift exponent 64 is too large for 32-bit type 'int'
[ 36.663348] ================================================================================
[ 36.671783] ================================================================================
[ 36.680213] UBSAN: Undefined behaviour in drivers/net/ethernet/mellanox/mlx4/fw.c:861:27
[ 36.688297] shift exponent 35 is too large for 32-bit type 'int'
[ 36.694702] ================================================================================
Tested:
reboot with UBSAN, no warning.
Signed-off-by: David Decotigny <decot@googlers.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.h | 2 |
2 files changed, 0 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 090bf81076e8..f9cbc67f1694 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -853,12 +853,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev_cap->max_eqs = 1 << (field & 0xf); MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET); dev_cap->reserved_mtts = 1 << (field >> 4); - MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET); - dev_cap->max_mrw_sz = 1 << field; MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET); dev_cap->reserved_mrws = 1 << (field & 0xf); - MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET); - dev_cap->max_mtt_seg = 1 << (field & 0x3f); MLX4_GET(size, outbox, QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET); dev_cap->num_sys_eqs = size & 0xfff; MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET); diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h index f11614f12517..5343a0599253 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.h +++ b/drivers/net/ethernet/mellanox/mlx4/fw.h @@ -80,9 +80,7 @@ struct mlx4_dev_cap { int max_eqs; int num_sys_eqs; int reserved_mtts; - int max_mrw_sz; int reserved_mrws; - int max_mtt_seg; int max_requester_per_qp; int max_responder_per_qp; int max_rdma_global; |